e to ie and o to ue stem change (verbs that change in spelling)
preferir (e to ie)
prefiero
preferimos
prefieres
preferís
prefiere
prefieren
poder (o to ue)
puedo
podemos
puedes
podéis
puede
pueden
Your challenge is to remember the stem change and the verb ending!
Remember that these verbs are called "shoe verbs" for a reason. They don't change in nosotros or vosotros. So if you draw a line around the boxes in the chart that do change, it looks like a shoe.
e to ie and o to ue stem change (verbs that change in spelling)
prefiero
preferimos
prefieres
preferís
prefiere
prefieren
puedo
podemos
puedes
podéis
puede
pueden
Your challenge is to remember the stem change and the verb ending!
Remember that these verbs are called "shoe verbs" for a reason. They don't change in nosotros or vosotros. So if you draw a line around the boxes in the chart that do change, it looks like a shoe.
Study resources:
http://www.studyspanish.com/lessons/stemie.htm
http://www.studyspanish.com/lessons/stemue.htm
http://www.colby.edu/~bknelson/SLC/presente_stem_change.php